Pin 2 of a 555 timer must be connected to a voltage that is less than 1/10 Vcc (the applied voltage) to trigger the unit.
Answer the following statement true (T) or false (F)
False
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In a warehouse, the aisles between racks are designated as _____.
a. high-density travel routes b. defined-traffic areas c. random-traffic areas d. designated paths
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Infiltration is the term used when referring to the air entering a structure ____.
A. through an air make-up unit B. around doors and windows C. through ventilation D. because of street traffic
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All of the following are types of optical storage except ________
A) QIC B) CD-RW C) WORM D) DVD
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The best mineral oils for use in refrigeration and air conditioning systems are __________.
A. aromatics B. naphthenics C. paraffinics D. systematics
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